Home / 827,808.30-1,242,004.05-406,802.70

Finding the Fourth Proportional to 827,808.30, 1,242,004.05 and 406,802.70

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Solution

The fourth proportional to 827,808.30, 1,242,004.05 and 406,802.70 is: 610,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,808.30 : 1,242,004.05 = 406,802.70 : x
  2. Step 2: Convert to fraction form
    827,808.30/1,242,004.05 = 406,802.70/x
  3. Step 3: Cross multiply
    827,808.30x = 1,242,004.05 × 406,802.70
  4. Step 4: Simplify right side
    827,808.30x = 505,250,600,950.94
  5. Step 5: Solve for x
    x = 505,250,600,950.94/827,808.30
  6. Step 6: Final answer
    x = 610,347.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.